RT0402FRE071K18L Equivalent & Substitute Parts

Part Overview

The RT0402FRE071K18L is a 1.18 kOhms ±1% thin film chip resistor in 0402 (1005 Metric) package manufactured by YAGEO. This component is actively produced and widely used in precision analog circuits where tolerance and temperature stability are critical. Substitute parts are identified based on matching resistance value, package dimensions, and electrical performance within acceptable parameter ranges for this product category.

Key Parameters

Parameter	Value
Resistance	1.18 kOhms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the RT0402FRE071K18L is determined by the following criteria:

Resistance Value: Must be 1.18 kOhms
Package: Must be 0402 (1005 Metric) with compatible physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm)
Composition: Thin film construction required
Operating Temperature Range: Must support -55°C ~ 155°C minimum
Termination Count: 2 terminations (standard for chip resistors)
Compliance: ROHS3 Compliant and REACH Unaffected status maintained

Substitute parts may differ in tolerance (±0.1% vs ±1%), temperature coefficient (±25ppm/°C vs ±50ppm/°C), power rating (0.1W vs 0.063W), and automotive qualification (AEC-Q200). These variations represent performance upgrades or specialized certifications and do not prevent functional substitution in applications where the original part specifications are met or exceeded.

Parameter Comparison

Parameter	RT0402FRE071K18L	RT0402BRD071K18L	CPF0402B1K18E1	ERA-2AEB1181X	RNCF0402BTE1K18
Manufacturer	YAGEO	YAGEO	TE Connectivity	Panasonic	Stackpole Electronics
Resistance	1.18 kOhms	1.18 kOhms	1.18 kOhms	1.18 kOhms	1.18 kOhms
Tolerance	±1%	±0.1%	±0.1%	±0.1%	±0.1%
Power Rating	0.063W (1/16W)	0.063W (1/16W)	0.063W (1/16W)	0.063W (1/16W)	0.1W (1/10W)
Package	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)
Composition	Thin Film	Thin Film	Thin Film	Thin Film	Thin Film
Temperature Coefficient	±50ppm/°C	±25ppm/°C	±25ppm/°C	±25ppm/°C	±25ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Automotive Rating	None	None	None	AEC-Q200	AEC-Q200
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

RT0402BRD071K18L (YAGEO): Direct upgrade from the main part with improved tolerance (±0.1% vs ±1%) and lower temperature coefficient (±25ppm/°C vs ±50ppm/°C). Maintains identical power rating and package. Suitable for applications requiring tighter tolerance control without automotive qualification requirements.

CPF0402B1K18E1 (TE Connectivity): Equivalent performance to RT0402BRD071K18L with ±0.1% tolerance and ±25ppm/°C temperature coefficient. Neohm series thin film construction. Appropriate for precision analog circuits where manufacturer diversity is required.

ERA-2AEB1181X (Panasonic): Offers ±0.1% tolerance and ±25ppm/°C temperature coefficient with AEC-Q200 automotive qualification. Suitable for automotive and mission-critical applications where automotive-grade components are specified. Height seated maximum is 0.016" (0.40mm) versus 0.014" (0.35mm) for other parts.

RNCF0402BTE1K18 (Stackpole Electronics): Provides ±0.1% tolerance, ±25ppm/°C temperature coefficient, and AEC-Q200 automotive qualification. Power rating is 0.1W (1/10W), exceeding the original 0.063W specification. Suitable for automotive applications and circuits with higher power dissipation margins.

Frequently Asked Questions (FAQ)

Q: Can RT0402BRD071K18L replace RT0402FRE071K18L in any application?

A: Yes. RT0402BRD071K18L meets or exceeds all electrical and mechanical parameters of the original part. The improved tolerance (±0.1% vs ±1%) and lower temperature coefficient (±25ppm/°C vs ±50ppm/°C) represent performance enhancements. Both parts are ROHS3 compliant, MSL 1, and operate across -55°C ~ 155°C.

Q: What is the difference between automotive-rated and non-automotive parts?

A: ERA-2AEB1181X and RNCF0402BTE1K18 carry AEC-Q200 automotive qualification, indicating compliance with automotive reliability and quality standards. Non-automotive parts (RT0402FRE071K18L, RT0402BRD071K18L, CPF0402B1K18E1) are suitable for general industrial and consumer applications. Automotive-rated parts are required only when specified by design or application requirements.

Q: Are there physical dimension differences between substitute parts?

A: All parts use the 0402 (1005 Metric) package with length 0.039" (1.00mm) and width 0.020" (0.50mm). ERA-2AEB1181X has a maximum seated height of 0.016" (0.40mm) compared to 0.014" (0.35mm) for other parts. This 0.002" difference is negligible for standard PCB assembly and does not affect electrical performance.

Q: Can RNCF0402BTE1K18 be used where 0.063W power rating is specified?

A: Yes. RNCF0402BTE1K18 has a 0.1W (1/10W) power rating, which exceeds the 0.063W requirement of the original part. Higher power rating provides additional thermal margin and does not create compatibility issues in circuits designed for 0.063W components.

Q: Do all substitute parts maintain ROHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 Compliant and REACH Unaffected, matching the environmental compliance status of RT0402FRE071K18L.

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